variable in RegExp //can anyone move this to "javascript"

Hi,

//fyrst I have a string
var string="abcg99defg";

//and a variable
var variabl=99;

now I like to replace g99 // that's the variable and 1 letter in front of it
with ''; //thats nothing

string=string.replace(/.variabl/gi)  //can I have variable in here? <-- problem!

output   string="abcdefg"


hope somebody understand me :P, thx
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LakioAsked:
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hernst42Commented:
You can use new RegExp to creat your regex object:

var string="abcg99defg";
var variable=99;

var rx = new RegExp('g' + variable, "gi");
string = string.replace(rx,'');

document.write(string);

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LakioAuthor Commented:
thx, very good answer but g must be any letter (is that a .?)
LakioAuthor Commented:
var string="abcg99defg";
var variable=99;

var rx = new RegExp("." + variable, "gi");
string = string.replace(rx,'');

document.write(string);

thank you hernst this works fine :)
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